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Dr. Gregory Hanissian

Allergy and Immunology • Collierville, TN

★★★★★5.0/5115 reviews across 3 platforms

Ratings by platform

  • Birdeye (Hanissian Allergy: Gregory A. Hanissian, MD) (65 reviews)
  • Healthgrades (Dr. Gregory Hanissian, MD) (16 reviews)
  • US News Doctors (Dr. Gregory A. Hanissian): 5/5 (34 reviews)

What patients say

Patients praise

  • Patients report consistently high satisfaction with care and bedside manner
  • Doctor is described as knowledgeable/up to date on allergy issues
  • Staff/offices are described as friendly and helpful
  • Patients describe time spent listening, answering questions, and developing treatment plans

In patients' words

"“Great clinic and super professional. nurses are super sweet and the doctor knows exactly what he's doing and talking about.100% Recommended.”"

— Birdeye review snippet (Hanissian Allergy: Gregory A. Hanissian, MD)

"“Excellent first impression on our first visit... Dr. Hanissian listened to my concerns... All around great bedside manner. He seems very knowledgeable and up to date on allergy issues...”"

— Birdeye review snippet (Hanissian Allergy: Gregory A. Hanissian, MD)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6].

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